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Minor World Earthquakes Magnitude -3.9

Minor earthquake: M3.8 quake has struck near Rota in Northern Mariana Islands


Earthquake location 14.4627S, 145.5424WA minor earthquake magnitude 3.8 (ml/mb) strikes 50 kilometers (31 miles) from Rota in Northern Mariana Islands on Saturday. Exact location of earthquake, longitude 145.5424 East, latitude 14.4627 North, depth = 84.75 km. The earthquake occurred at a depth of 84.75 km (53 miles) below the earth’s surface. Id of earthquake: us70005mk5. Event ids that are associated: us70005mk5. The temblor was detected at 11:38:28 / 11:38 am (local time epicenter). Date and time of earthquake in UTC/GMT: 21/09/19 / 2019-09-21 01:38:28 / September 21, 2019 @ 1:38 am.

Country/countries that might be effected, Northern Mariana Islands (c. 54 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Saipan, San Jose Village. Event epicenter was 86 km (54 miles) from Saipan (c. 48 200 pop), 57 km (35 miles) from San Jose Village (c. 15 000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days seven and in the last 365 days twenty earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 130,000 minor earthquakes in the world.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 50 km NE of Rota, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 3.8 mb The magnitude for the event.
Longitude 145.5424° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 14.4627° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 84.75 km Depth of the event in kilometers.
Place 50km NE of Rota, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-09-21 01:38:28 Time when the event occurred. UTC/GMT
Updated 2019-09-29 00:03:59 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 222 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.809 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 123 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us70005mk5 Id of event.
Event Code 70005mk5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70005mk5, A comma-separated list of event ids that are associated to an event.

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